... Set required function OEM/ODM A6000 handheld wifi rift card reader PlatformOperating system Windows Mobile 6.1 ProfessionalCharacteristic Type ... Serial, SPI interface, built-in bar code scanning, credit card, RFID, fingerprint identification and other equipment. Mini18pin with headphone jack ... 128MB Extended Storage Micro SD Max support memory card size16 GB USIMUSIM support Yes USIM Lock Yes USIM ...